Method and apparatus for automatic range finding

Details Method and apparatus for automatic range finding Method and apparatus for automatic range finding

1987-06-29

1988-01-19

Adams, Russell E.

G03B 300

Patent

active

047207248

ABSTRACT:
An automatic range finding method and apparatus for a camera of the type which projects a line of light toward a scene including a subject to be photographed. Light reflected from the subject is received by a light sensor having a plurality of photoelectric conversion pixels arranged in a matrix. The photoelectric conversion pixels receiving the reflected light are detected, and the subject distance is determined according to a pixel line which contains one of the detected photoelectric conversion pixels nearest to the first pixel line.

REFERENCES:
patent: 3936187 (1976-02-01), Momose
patent: 4464038 (1984-08-01), Nanba
patent: 4591257 (1986-05-01), Sawano

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